Installation 如何在windows 10上的python 3.7.1中成功安装pip加密

Installation 如何在windows 10上的python 3.7.1中成功安装pip加密,installation,pip,cryptography,Installation,Pip,Cryptography,请我试图通过我的cmd安装pip crytography。但我一直收到这个信息 "WARNING: Retrying (Retry(total=0, connect=None, read=None, redirect=None, status=None)) after connection broken by 'SSLError(SSLError(1, '[SSL: WRONG_VERSION_NUMBER] wrong version number (_ssl.c:1051)'))'

请我试图通过我的cmd安装pip crytography。但我一直收到这个信息

"WARNING: Retrying (Retry(total=0, connect=None, read=None, redirect=None, status=None)) after connection broken by 'SSLError(SSLError(1, '[SSL: WRONG_VERSION_NUMBER] wrong version number (_ssl.c:1051)'))': /simple/cryptography/
Could not fetch URL https://pypi.org/simple/cryptography/: There was a problem confirming the ssl certificate: HTTPSConnectionPool(host='pypi.org', port=443): Max retries exceeded with url: /simple/cryptography/ (Caused by SSLError(SSLError(1, '[SSL: WRONG_VERSION_NUMBER] wrong version number (_ssl.c:1051)'))) - skipping
ERROR: Could not find a version that satisfies the requirement cryptography
ERROR: No matching distribution found for cryptography
Could not fetch URL https://pypi.org/simple/pip/: There was a problem confirming the ssl certificate:"
我已成功地将我的pip升级到21.0.1
我已经安装了openssl verion 1.1.1k

请帮我解决这个问题。谢谢